The most common and most likely answer to this crossword clue is the 11 letter word PANDEMONIUM
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More clues leading to the result PANDEMONIUM
- Uproar in opium den man resolved
- Chaos in opium den, man getting stoned
- Criticise protest, one surrounded by endless senseless uproar
- Hullaballoo in opium den, man recollected
- Turmoil in opium den man sorted out
- Chaos in opium den, man misbehaving
- Criticise march followed by one among miners producing uproar
- Uproar caused by fanatic, one cutting man up in a frenzy
- . Censure fiend on stage, partly in commotion
- Uproar over prospect — no medium ground
Buddy explains!

The straight part
We know that "uproar" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case uproar = pandemonium.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PANDEMONIUM mean?
PANDEMONIUM noun- A place where all demons live; Hell.
- Chaos; tumultuous or lawless violence.
- An outburst; loud, riotous uproar, especially of a crowd.